Drinking glass



FIG. 1 is front top perspective view of the design for a drinking glass;

FIG. 2 is front view of the design for the drinking glass of FIG. 1;

FIG. 3 is a side view of the design for the drinking glass of FIG. 1;

FIG. 4 is a top plan view of the design for the drinking glass of FIG. 1; and,

FIG. 5 is a bottom plan view of the design for the drinking glass of FIG. 1. 

The ornamental design for drinking glass, as shown and described. 